aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/binary.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/binary.c')
-rw-r--r--erts/emulator/beam/binary.c411
1 files changed, 224 insertions, 187 deletions
diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c
index 29c1af2114..4662e60d51 100644
--- a/erts/emulator/beam/binary.c
+++ b/erts/emulator/beam/binary.c
@@ -802,13 +802,12 @@ static void cleanup_my_data(Binary *bp)
* Initiate a (allocated) micro allocator and fill in the base
* for an Aho-Corasick search trie, given the accumulated length of the search strings.
*/
-static ACTrie *create_acdata(MyAllocator *my, Process *p, Uint len,
- ACNode ***qbuff /* out */,Eterm *the_bin /* out */)
+static ACTrie *create_acdata(MyAllocator *my, Uint len,
+ ACNode ***qbuff /* out */,Binary **the_bin /* out */)
{
Uint datasize = AC_SIZE(len);
ACTrie *act;
ACNode *acn;
- Eterm *hp;
Binary *mb = erts_create_magic_binary(datasize,cleanup_my_data);
byte *data = ERTS_MAGIC_BIN_DATA(mb);
@@ -826,19 +825,17 @@ static ACTrie *create_acdata(MyAllocator *my, Process *p, Uint len,
acn->id = 0;
#endif
*qbuff = erts_alloc(ERTS_ALC_T_TMP, sizeof(ACNode *) * len);
- hp = HAlloc(p, PROC_BIN_SIZE);
- *the_bin = erts_mk_magic_binary_term(&hp, &MSO(p), mb);
+ *the_bin = mb;
return act;
}
/*
* The same initialization of allocator and basic data for Boyer-More.
*/
-static BMData *create_bmdata(MyAllocator *my, Process *p, byte *x, Uint len, Eterm *the_bin /* out */)
+static BMData *create_bmdata(MyAllocator *my, byte *x, Uint len, Binary **the_bin /* out */)
{
Uint datasize = BM_SIZE(len);
BMData *bmd;
- Eterm *hp;
Binary *mb = erts_create_magic_binary(datasize,cleanup_my_data);
byte *data = ERTS_MAGIC_BIN_DATA(mb);
init_my_allocator(my, datasize, data);
@@ -848,8 +845,7 @@ static BMData *create_bmdata(MyAllocator *my, Process *p, byte *x, Uint len, Ete
bmd->len = len;
bmd->goodshift = my_alloc(my,sizeof(Uint) * len);
bmd->ret_tuple = 0;
- hp = HAlloc(p, PROC_BIN_SIZE);
- *the_bin = erts_mk_magic_binary_term(&hp, &MSO(p), mb);
+ *the_bin = mb;
return bmd;
}
@@ -998,7 +994,8 @@ static Uint ac_find_first_match(ACTrie *act, byte *haystack, Uint len,
while (r->final < 0)
r = r->h;
rstart = i - r->d;
- if (candidate == NULL || rstart < candidate_start) {
+ if (candidate == NULL || rstart < candidate_start ||
+ (rstart == candidate_start && candidate->d < q->d)) {
candidate_start = rstart;
candidate = r;
}
@@ -1063,12 +1060,21 @@ static Uint ac_find_all_non_overlapping(ACTrie *act, byte *haystack, Uint len,
#endif
rstart = i - r->d;
save_m = m;
- while (m > 0 && out[m-1].pos > rstart) {
+ while (m > 0 && (out[m-1].pos > rstart ||
+ (out[m-1].pos == rstart &&
+ out[m-1].len < r->d))) {
#ifdef HARDDEBUG
erts_printf("Popping %u\n",(unsigned) out[m-1].id);
#endif
--m;
}
+#ifdef HARDDEBUG
+ if (m > 0) {
+ erts_printf("Pos %u\n",out[m-1].pos);
+ erts_printf("Len %u\n",out[m-1].len);
+ }
+ erts_printf("Rstart %u\n",rstart);
+#endif
if (m == 0 || out[m-1].pos + out[m-1].len <= rstart) {
if (m >= allocated) {
if (!allocated) {
@@ -1213,7 +1219,8 @@ static Sint bm_find_first_match(BMData *bmd, byte *haystack, Uint len)
/*
* Search functionality interfaces
*/
-BIF_RETTYPE binary_match_compile_1(BIF_ALIST_1)
+
+static int do_binary_match_compile(Eterm argument, Eterm *tag, Binary **binp)
{
Eterm t, b, comp_term = NIL;
Uint characters;
@@ -1223,9 +1230,9 @@ BIF_RETTYPE binary_match_compile_1(BIF_ALIST_1)
characters = 0;
words = 0;
- if (is_list(BIF_ARG_1)) {
+ if (is_list(argument)) {
return_tuple = 1;
- t = BIF_ARG_1;
+ t = argument;
while (is_list(t)) {
b = CAR(list_val(t));
t = CDR(list_val(t));
@@ -1242,17 +1249,17 @@ BIF_RETTYPE binary_match_compile_1(BIF_ALIST_1)
goto badarg;
}
if (words > 1) {
- comp_term = BIF_ARG_1;
+ comp_term = argument;
} else {
- comp_term = CAR(list_val(BIF_ARG_1));
+ comp_term = CAR(list_val(argument));
}
- } else if (is_binary(BIF_ARG_1)) {
- if (binary_bitsize(BIF_ARG_1) != 0) {
+ } else if (is_binary(argument)) {
+ if (binary_bitsize(argument) != 0) {
goto badarg;
}
words = 1;
- comp_term = BIF_ARG_1;
- characters = binary_size(BIF_ARG_1);
+ comp_term = argument;
+ characters = binary_size(argument);
}
if (characters == 0) {
@@ -1261,35 +1268,33 @@ BIF_RETTYPE binary_match_compile_1(BIF_ALIST_1)
ASSERT(words > 0);
if (words == 1) {
- Eterm ret;
byte *bytes;
Uint bitoffs, bitsize;
byte *temp_alloc = NULL;
MyAllocator my;
BMData *bmd;
- Eterm *hp;
+ Binary *bin;
ERTS_GET_BINARY_BYTES(comp_term, bytes, bitoffs, bitsize);
if (bitoffs != 0) {
bytes = erts_get_aligned_binary_bytes(comp_term, &temp_alloc);
}
- bmd = create_bmdata(&my, BIF_P, bytes, characters, &ret);
+ bmd = create_bmdata(&my, bytes, characters, &bin);
bmd->ret_tuple = return_tuple;
compute_badshifts(bmd);
compute_goodshifts(bmd);
erts_free_aligned_binary_bytes(temp_alloc);
CHECK_ALLOCATOR(my);
- hp = HAlloc(BIF_P,3);
- ret = TUPLE2(hp, am_bm, ret);
- BIF_RET(ret);
+ *tag = am_bm;
+ *binp = bin;
+ return 0;
} else {
- Eterm ret;
ACTrie *act;
MyAllocator my;
- Eterm *hp;
ACNode **qbuff;
+ Binary *bin;
- act = create_acdata(&my, BIF_P, characters, &qbuff, &ret);
+ act = create_acdata(&my, characters, &qbuff, &bin);
t = comp_term;
while (is_list(t)) {
byte *bytes;
@@ -1307,18 +1312,37 @@ BIF_RETTYPE binary_match_compile_1(BIF_ALIST_1)
ac_compute_failure_functions(act,qbuff);
CHECK_ALLOCATOR(my);
erts_free(ERTS_ALC_T_TMP,qbuff);
- hp = HAlloc(BIF_P,3);
- ret = TUPLE2(hp, am_ac, ret);
- BIF_RET(ret);
+ *tag = am_ac;
+ *binp = bin;
+ return 0;
}
badarg:
- BIF_ERROR(BIF_P,BADARG);
+ return -1;
+}
+
+BIF_RETTYPE binary_compile_pattern_1(BIF_ALIST_1)
+{
+ Binary *bin;
+ Eterm tag, ret;
+ Eterm *hp;
+
+ if (do_binary_match_compile(BIF_ARG_1,&tag,&bin)) {
+ BIF_ERROR(BIF_P,BADARG);
+ }
+ hp = HAlloc(BIF_P, PROC_BIN_SIZE+3);
+ ret = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), bin);
+ ret = TUPLE2(hp, tag, ret);
+ BIF_RET(ret);
}
+
BIF_RETTYPE binary_match_3(BIF_ALIST_3)
{
Uint hsstart, hslen;
Eterm *tp;
+ Eterm type;
+ Binary *bin;
+ Eterm bin_term = NIL;
if (is_not_binary(BIF_ARG_1)) {
goto badarg;
}
@@ -1355,85 +1379,90 @@ BIF_RETTYPE binary_match_3(BIF_ALIST_3)
if (arityval(*tp) != 2 || is_not_atom(tp[1])) {
goto badarg;
}
- if (tp[1] == am_bm && ERTS_TERM_IS_MAGIC_BINARY(tp[2])) {
- Binary *mbp;
- BMData *bm;
- Sint pos;
- byte *bytes;
- Uint bitoffs, bitsize;
- byte *temp_alloc = NULL;
- Eterm ret;
- Eterm *hp;
- mbp = ((ProcBin *) binary_val(tp[2]))->val;
- if (ERTS_MAGIC_BIN_DESTRUCTOR(mbp) != cleanup_my_data) {
- goto badarg;
- }
- bm = (BMData *) ERTS_MAGIC_BIN_DATA(mbp);
+ if (((tp[1] != am_bm) && (tp[1] != am_ac)) ||
+ !ERTS_TERM_IS_MAGIC_BINARY(tp[2])) {
+ goto badarg;
+ }
+ type = tp[1];
+ bin = ((ProcBin *) binary_val(tp[2]))->val;
+ if (ERTS_MAGIC_BIN_DESTRUCTOR(bin) != cleanup_my_data) {
+ goto badarg;
+ }
+ bin_term = tp[2];
+ } else if (do_binary_match_compile(BIF_ARG_2,&type,&bin)) {
+ goto badarg;
+ }
+
+ if (type == am_bm) {
+ BMData *bm;
+ Sint pos;
+ byte *bytes;
+ Uint bitoffs, bitsize;
+ byte *temp_alloc = NULL;
+ Eterm ret;
+ Eterm *hp;
+ bm = (BMData *) ERTS_MAGIC_BIN_DATA(bin);
#ifdef HARDDEBUG
- dump_bm_data(bm);
+ dump_bm_data(bm);
#endif
- ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
- if (bitsize != 0) {
- goto badarg;
- }
- if (bitoffs != 0) {
- bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
- }
- pos = bm_find_first_match(bm, bytes + hsstart, hslen);
- if (pos < 0) {
- ret = am_nomatch;
- } else {
- Eterm erlen = erts_make_integer((Uint) bm->len, BIF_P);
- ret = erts_make_integer(pos+hsstart,BIF_P);
- if (bm->ret_tuple) {
- hp = HAlloc(BIF_P,3);
- ret = TUPLE2(hp, ret, erlen);
- }
+ ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
+ if (bitsize != 0) {
+ goto badarg;
+ }
+ if (bitoffs != 0) {
+ bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
+ }
+ pos = bm_find_first_match(bm, bytes + hsstart, hslen);
+ if (pos < 0) {
+ ret = am_nomatch;
+ } else {
+ Eterm erlen = erts_make_integer((Uint) bm->len, BIF_P);
+ ret = erts_make_integer(pos+hsstart,BIF_P);
+ if (bm->ret_tuple) {
+ hp = HAlloc(BIF_P,3);
+ ret = TUPLE2(hp, ret, erlen);
}
- erts_free_aligned_binary_bytes(temp_alloc);
- BIF_RET(ret);
- } else if (tp[1] == am_ac && ERTS_TERM_IS_MAGIC_BINARY(tp[2])) {
- Binary *mbp;
- ACTrie *act;
- Uint pos, msn,rlen;
- byte *bytes;
- Uint bitoffs, bitsize;
- byte *temp_alloc = NULL;
- Eterm ret;
- Eterm *hp;
+ }
+ erts_free_aligned_binary_bytes(temp_alloc);
+ if (bin_term == NIL) {
+ erts_bin_free(bin);
+ }
+ BIF_RET(ret);
+ } else if (type == am_ac) {
+ ACTrie *act;
+ Uint pos, msn,rlen;
+ byte *bytes;
+ Uint bitoffs, bitsize;
+ byte *temp_alloc = NULL;
+ Eterm ret;
+ Eterm *hp;
- mbp = ((ProcBin *) binary_val(tp[2]))->val;
- if (ERTS_MAGIC_BIN_DESTRUCTOR(mbp) != cleanup_my_data) {
- goto badarg;
- }
- act = (ACTrie *) ERTS_MAGIC_BIN_DATA(mbp);
+ act = (ACTrie *) ERTS_MAGIC_BIN_DATA(bin);
#ifdef HARDDEBUG
- dump_ac_trie(act);
+ dump_ac_trie(act);
#endif
- ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
- if (bitsize != 0) {
- goto badarg;
- }
- if (bitoffs != 0) {
- bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
- }
- msn = ac_find_first_match(act, bytes + hsstart,
- hslen, &pos, &rlen);
- if (msn == 0) {
- ret = am_nomatch;
- } else {
- Eterm epos = erts_make_integer(pos+hsstart,BIF_P);
- Eterm erlen = erts_make_integer(rlen,BIF_P);
- hp = HAlloc(BIF_P,3);
- ret = TUPLE2(hp, epos, erlen);
- }
- erts_free_aligned_binary_bytes(temp_alloc);
- BIF_RET(ret);
- } else {
+ ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
+ if (bitsize != 0) {
goto badarg;
}
- } else {
- goto badarg; /* Compilation on the fly NYI */
+ if (bitoffs != 0) {
+ bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
+ }
+ msn = ac_find_first_match(act, bytes + hsstart,
+ hslen, &pos, &rlen);
+ if (msn == 0) {
+ ret = am_nomatch;
+ } else {
+ Eterm epos = erts_make_integer(pos+hsstart,BIF_P);
+ Eterm erlen = erts_make_integer(rlen,BIF_P);
+ hp = HAlloc(BIF_P,3);
+ ret = TUPLE2(hp, epos, erlen);
+ }
+ erts_free_aligned_binary_bytes(temp_alloc);
+ if (bin_term == NIL) {
+ erts_bin_free(bin);
+ }
+ BIF_RET(ret);
}
badarg:
BIF_ERROR(BIF_P,BADARG);
@@ -1447,6 +1476,9 @@ BIF_RETTYPE binary_matches_3(BIF_ALIST_3)
{
Uint hsstart, hslen;
Eterm *tp;
+ Eterm type;
+ Binary *bin;
+ Eterm bin_term = NIL;
if (is_not_binary(BIF_ARG_1)) {
goto badarg;
}
@@ -1483,98 +1515,103 @@ BIF_RETTYPE binary_matches_3(BIF_ALIST_3)
if (arityval(*tp) != 2 || is_not_atom(tp[1])) {
goto badarg;
}
- if (tp[1] == am_bm && ERTS_TERM_IS_MAGIC_BINARY(tp[2])) {
- Binary *mbp;
- BMData *bm;
- Sint pos;
- byte *bytes;
- Uint bitoffs, bitsize;
- byte *temp_alloc = NULL;
- Eterm ret;
- Eterm *hp;
- mbp = ((ProcBin *) binary_val(tp[2]))->val;
- if (ERTS_MAGIC_BIN_DESTRUCTOR(mbp) != cleanup_my_data) {
- goto badarg;
- }
- bm = (BMData *) ERTS_MAGIC_BIN_DATA(mbp);
+ if (((tp[1] != am_bm) && (tp[1] != am_ac)) ||
+ !ERTS_TERM_IS_MAGIC_BINARY(tp[2])) {
+ goto badarg;
+ }
+ type = tp[1];
+ bin = ((ProcBin *) binary_val(tp[2]))->val;
+ if (ERTS_MAGIC_BIN_DESTRUCTOR(bin) != cleanup_my_data) {
+ goto badarg;
+ }
+ bin_term = tp[2];
+ } else if (do_binary_match_compile(BIF_ARG_2,&type,&bin)) {
+ goto badarg;
+ }
+
+ if (type == am_bm) {
+ BMData *bm;
+ Sint pos;
+ byte *bytes;
+ Uint bitoffs, bitsize;
+ byte *temp_alloc = NULL;
+ Eterm ret;
+ Eterm *hp;
+ bm = (BMData *) ERTS_MAGIC_BIN_DATA(bin);
#ifdef HARDDEBUG
- dump_bm_data(bm);
+ dump_bm_data(bm);
#endif
- ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
- if (bitsize != 0) {
- goto badarg;
- }
- if (bitoffs != 0) {
- bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
- }
- pos = bm_find_first_match(bm, bytes + hsstart, hslen);
- if (pos < 0) {
- ret = am_nomatch;
- } else {
- Eterm erlen = erts_make_integer((Uint) bm->len, BIF_P);
- ret = erts_make_integer(pos,BIF_P);
- if (bm->ret_tuple) {
- hp = HAlloc(BIF_P,3);
- ret = TUPLE2(hp, ret, erlen);
- }
+ ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
+ if (bitsize != 0) {
+ goto badarg;
+ }
+ if (bitoffs != 0) {
+ bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
+ }
+ pos = bm_find_first_match(bm, bytes + hsstart, hslen);
+ if (pos < 0) {
+ ret = am_nomatch;
+ } else {
+ Eterm erlen = erts_make_integer((Uint) bm->len, BIF_P);
+ ret = erts_make_integer(pos,BIF_P);
+ if (bm->ret_tuple) {
+ hp = HAlloc(BIF_P,3);
+ ret = TUPLE2(hp, ret, erlen);
}
- erts_free_aligned_binary_bytes(temp_alloc);
- BIF_RET(ret);
- } else if (tp[1] == am_ac && ERTS_TERM_IS_MAGIC_BINARY(tp[2])) {
- Binary *mbp;
- ACTrie *act;
- Uint rlen;
- Sint i;
- FindallData *fad;
- byte *bytes;
- Uint bitoffs, bitsize;
- byte *temp_alloc = NULL;
- Eterm ret,tpl;
- Eterm *hp;
+ }
+ erts_free_aligned_binary_bytes(temp_alloc);
+ if (bin_term == NIL) {
+ erts_bin_free(bin);
+ }
+ BIF_RET(ret);
+ } else if (type == am_ac) {
+ ACTrie *act;
+ Uint rlen;
+ Sint i;
+ FindallData *fad;
+ byte *bytes;
+ Uint bitoffs, bitsize;
+ byte *temp_alloc = NULL;
+ Eterm ret,tpl;
+ Eterm *hp;
- mbp = ((ProcBin *) binary_val(tp[2]))->val;
- if (ERTS_MAGIC_BIN_DESTRUCTOR(mbp) != cleanup_my_data) {
- goto badarg;
- }
- act = (ACTrie *) ERTS_MAGIC_BIN_DATA(mbp);
+ act = (ACTrie *) ERTS_MAGIC_BIN_DATA(bin);
#ifdef HARDDEBUG
- dump_ac_trie(act);
+ dump_ac_trie(act);
#endif
- ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
- if (bitsize != 0) {
- goto badarg;
- }
- if (bitoffs != 0) {
- bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
- }
- rlen = ac_find_all_non_overlapping(act, bytes + hsstart,
- hslen, &fad);
- if (rlen == 0) {
- ret = am_nomatch;
- } else {
- for (i = 0; i < rlen; ++i) {
- fad[i].epos = erts_make_integer(fad[i].pos,BIF_P);
- fad[i].elen = erts_make_integer(fad[i].len,BIF_P);
- }
- hp = HAlloc(BIF_P,rlen * (3 + 2));
- ret = NIL;
- for (i = rlen - 1; i >= 0; --i) {
- tpl = TUPLE2(hp, fad[i].epos, fad[i].elen);
- hp +=3;
- ret = CONS(hp,tpl,ret);
- hp += 2;
- }
+ ERTS_GET_BINARY_BYTES(BIF_ARG_1, bytes, bitoffs, bitsize);
+ if (bitsize != 0) {
+ goto badarg;
+ }
+ if (bitoffs != 0) {
+ bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
+ }
+ rlen = ac_find_all_non_overlapping(act, bytes + hsstart,
+ hslen, &fad);
+ if (rlen == 0) {
+ ret = am_nomatch;
+ } else {
+ for (i = 0; i < rlen; ++i) {
+ fad[i].epos = erts_make_integer(fad[i].pos,BIF_P);
+ fad[i].elen = erts_make_integer(fad[i].len,BIF_P);
}
- erts_free_aligned_binary_bytes(temp_alloc);
- if (fad != NULL) {
- erts_free(ERTS_ALC_T_TMP,fad);
+ hp = HAlloc(BIF_P,rlen * (3 + 2));
+ ret = NIL;
+ for (i = rlen - 1; i >= 0; --i) {
+ tpl = TUPLE2(hp, fad[i].epos, fad[i].elen);
+ hp +=3;
+ ret = CONS(hp,tpl,ret);
+ hp += 2;
}
- BIF_RET(ret);
- } else {
- goto badarg;
}
- } else {
- goto badarg; /* Compilation on the fly NYI */
+ erts_free_aligned_binary_bytes(temp_alloc);
+ if (fad != NULL) {
+ erts_free(ERTS_ALC_T_TMP,fad);
+ }
+ if (bin_term == NIL) {
+ erts_bin_free(bin);
+ }
+ BIF_RET(ret);
}
badarg:
BIF_ERROR(BIF_P,BADARG);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 23:24:11 +0000